271-4.32K-RC 271-4.42K/AP-RC 271-4.42K-RC 271-4.53K/AP-RC 271-4.53K/REEL-RC 271-4.53K-RC 271-4.64K/AP-RC 271-4.64K/REEL-RC 271-4.64K-RC 271-4.75/AP-RC